Now a days, all the things are based on technology. The face of technology is continuously growing and from time to time, we see a new face of technology with advanced functionality. Today, in this world of technology, Telecommunication network has almost been switched from conventional Public Switched Telephone Networks (PSTN) to 3G and more recently 4G. Packet -switched networks have taken the place of PSTN based circuit-switched networks. In this rapidly growing telecom industry, there is a need to maintain a secure, highly available infrastructure which is able to provide authentic and resilient services to users. Telecommunication networks that are using today are complex and heterogeneous mix of varied technologies which is the need of business to scale up and cater the growing demands from the industry. To keep these telecom networks safe and secure, there should be a strong security check on the entire network.
Why Telecommunication Networks Security is the major concern for Telecom Organizations?
Day to day, we hear the news about data breach or telecommunication network attacks causes disrupt, deny or intercept communications. Behind these attacks there may be individual hackers, hacker organization, or even state-sponsored agencies.
Telecommunication networks are considered as a part of national infrastructure globally. There are greater chances of serious attacks on this critical infrastructure by hostile states. These attacks cause data leakage of individual and state apparatus, misuse of information that results in disruption of communication system etc. Thus telecom organizations keep the security as their primary concern and ensure the security of their infrastructure and services. In case of any failure in the security of their infrastructure, they may face large financial or reputational losses which will lead to loss of customer confidence, legal actions or fines.
Have a look on some of the major threats on telecommunication networks:
• Zero-day attacks
• Attackers use modified base stations, exploit weaknesses in signaling systems that causes prohibited interception of traffic
• Misuse of lawful interception mechanisms
• Attacks on critical infrastructure components such as switching centers
• Unauthorized access
• Personal or confidential data breach
• Attacks on self or competitor networks
• Supply chain contamination of telecom equipment being imported from other countries
In order to secure the telecom network and maintain the organization's reputation level, a good information security program is essential. Besides this, security testing of telecommunication network is also necessary to check out any new vulnerability or threats so that they can be resolved before the occurrence of any issue. Security testing covers various things such as telecom equipment software, firmware and hardware, radio access network IT and telecom network components etc. To examine unknown vulnerabilities, security testing is vital.
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